Asphalt wa ni awọn ipinlẹ akọkọ meji: o duro ṣinṣin ni awọn iwọn otutu ibaramu ati awọn iyipada sinu omi kan nigbati o ba gbona.
Ni ikole, awọn alagbaṣe ṣe igbona idapọmọra naa si fọọmu omi rẹ ti wọn si fi sii sori dada iṣẹ. Lori itutu agbaiye, o solidifies sinu kan aabo ti a bo, imudara waterproofing, commonly employed in roadway construction and roofing applications.